Agent-native, an emerging edge
AI agents fetch pages on demand and prefer clean structured text. Serving Markdown and an llms.txt makes you cheaper to read and quote.
Free tool · no signup
Markdown-for-Agents Checker
Enter a URL and we test whether your site speaks Markdown to AI agents — content negotiation on Accept: text/markdown, plus llms.txt presence.
What this tool checks
Experimental, not a Google signal
This is a forward-looking convention, not a ranking factor. Most sites don't do it yet — which is exactly the early-mover opening.
This tool sees your page from the outside
The free Aetos plugin sees inside your WordPress.
This tool checks what a bot sees from a public URL. The free Aetos edition runs a real audit from inside WordPress — across your pages and WordPress environment — so it catches signals an outside view cannot see.
Free edition, no card. Pro adds additional analysis modules, exports, and the AI fix assistant. Want us to do it for you? Talk to the team → Talk to the team
FAQ
Common questions
My site failed the Markdown test — is that bad? +
Not bad — it's the default. Almost no sites serve Markdown yet. It's an optional edge, not a requirement.
How would I even serve Markdown? +
Via content negotiation on the server (respond to Accept: text/markdown) or a parallel .md endpoint. The plugin and our docs cover the patterns.